Kathy Griffin says she's still "in shock" after being diagnosed with stage 1 lung cancer.

The comedian, and one of former President TrumpDonald TrumpGraham says he hopes that Trump runs again Trump says Stacey Abrams 'might be better than existing governor' Kemp Executive privilege fight poses hurdles for Trump MORE's fiercest Hollywood critics, said in a "Nightline" interview airing Monday that she just recently learned of her health battle.

"Really, just days ago, I think two weeks ago, I was diagnosed with cancer," Griffin, 60, told ABC News's Juju Chang.

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"So as a friend of mine said, 'How many kicks in the nuts can you take?' And I'm like, 'My nuts are pretty strong, but it's a challenge,'" Griffin quipped.

"I was definitely in shock. I'm still a little bit in shock. Not in denial, but I'll still like, once a day, I'll just turn to like nobody next to me and go, 'Can you believe this shit?'"

In the interview, Griffin also detailed her "mental health struggles over the last few years, her addiction to pills, a suicide attempt, [and] her newfound sobriety," according to ABC.

Griffin, who noted that she has never smoked, shared more about her diagnosis in a Monday tweet, saying, "I'm about to go into surgery to have half of my left lung removed." 

Saying that her doctors are optimistic and that she would be "just fine," Griffin urged her fans to get vaccinated against COVID-19 and prioritize their health: "Of course I am fully vaccinated for COVID. The consequences for being unvaccinated would have been even more serious. Please stay up to date on your medical checkups. It'll save your life."

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The ex-"My Life on the D-List" star made headlines and faced widespread backlash in 2017 after posing for a photo shoot holding a prop meant to look like Trump's bloody, severed head.

Griffin claimed the snapshot cost her multiple career opportunities and led to a two-month federal investigation as authorities mulled whether to charge her with conspiracy to assassinate the president.

While initially apologizing for the photo, Griffin later retracted her apology and shared the image once again with her 2 million Twitter followers last year.

People experiencing suicidal thoughts or urges can call the National Suicide Prevention Lifeline at 1-800-273-8255 or visit SpeakingOfSuicide.com/resources for additional resources.